Add 'use warnings' (or its equivalents) to all modules, or convince us that your favorite module is well-known enough and people can easily see the modules warn when something bad happens.

Error: TestML1, TestML1::Bridge, TestML1::Compiler, TestML1::Compiler::Lite, TestML1::Compiler::Pegex, TestML1::Compiler::Pegex::AST, TestML1::Compiler::Pegex::Grammar, TestML1::Library, TestML1::Library::Debug, TestML1::Library::Standard, TestML1::Runtime, TestML1::Runtime::TAP, TestML1::Setup

List all modules used in the test suite in META.yml test_requires

Error:

• Test::Differences

Add all modules contained in this distribution to the META.yml field 'provides'. Module::Build or Dist::Zilla::Plugin::MetaProvides do this automatically for you.